| up to date(expression, adjective, idiom, informed, with-it) |
| versed(adjective, cool, sensible, familiar, sophisticated) |
| wised up(expression, adjective, sharp, smart, alert) |
| with it(expression, adjective, cool, sensible, alert) |
| abreast(adjective, familiar, knowledgeable, competent, aware) |
| abstruse(adjective, sound, knowledgeable, cultured, educated) |
| academic(adjective, sound, knowledgeable, cultured, learned) |
| accomplished(adjective, familiar, sophisticated, knowledgeable, competent) |
| accustomed(adjective, familiar, sophisticated, knowledgeable, skilled) |
| acute(adjective, smooth, keen, sharp, smart) |
| adept(adjective, familiar, sophisticated, knowledgeable, skilled) |
| adult(adjective, cool, refined, practical, mature) |
| advised(adjective, familiar, aware, informed, conversant) |
| alive(adjective, cool, sensible, alert, familiar) |
| appraised(adjective, alert, familiar, wise, knowledgeable) |
| appreciative of |
| apprized(adjective, knowledgeable, aware, informed, learned) |
| argute(adjective, sharp, smart, intelligent, prudent) |
| artificial(adjective, cool, refined, practical, cultured) |
| astucious(adjective, sharp, smart, intelligent, prudent) |